Importing usr.bin/msgc

Minix-specific changes were needed in msg_sys.def:

 * use minix_mmap()/minix_munmap() since mmap()/munmap() aren't
   defined on Minix.

 * use MAP_PRIVATE flag since MAP_SHARED isn't defined on Minix.

Tested with usr.bin/menuc/testm.

Change-Id: I1c463e7b0623036050adb6a9079c6747e1c1e084

usr.bin/msgc/msgmain.c

@@ -0,0 +1,105 @@
+/*	$NetBSD: msgmain.c,v 1.9 2012/03/06 16:26:01 mbalmer Exp $	*/
+
+/*
+ * Copyright 1997 Piermont Information Systems Inc.
+ * All rights reserved.
+ *
+ * Written by Philip A. Nelson for Piermont Information Systems Inc.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. The name of Piermont Information Systems Inc. may not be used to endorse
+ *    or promote products derived from this software without specific prior
+ *    written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY PIERMONT INFORMATION SYSTEMS INC. ``AS IS''
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL PIERMONT INFORMATION SYSTEMS INC. BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+/* main.c - main program */
+
+#if HAVE_NBTOOL_CONFIG_H
+#include "nbtool_config.h"
+#endif
+
+#include <sys/cdefs.h>
+
+#if defined(__RCSID) && !defined(lint)
+__RCSID("$NetBSD: msgmain.c,v 1.9 2012/03/06 16:26:01 mbalmer Exp $");
+#endif
+
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+#define MAIN
+#include "defs.h"
+
+/* Local prototypes */
+void usage (char *);
+
+int
+main (int argc, char **argv)
+{
+	int ch;
+
+	prog_name = argv[0];
+
+	/* Process the arguments. */
+	while ( (ch = getopt (argc, argv, "o:")) != -1 ) {
+		switch (ch) {
+		case 'o': /* output file name */
+			out_name = optarg;
+			break;
+		default:
+			usage (prog_name);
+		}
+	}
+
+	if (optind != argc-1)
+		usage (prog_name);
+
+	src_name = argv[optind];
+
+	yyin = fopen (src_name, "r");
+	if (yyin == NULL) {
+		(void) fprintf (stderr, "%s: could not open %s.\n",
+				prog_name, src_name);
+		exit (1);
+	}
+
+	/* Do the parse */
+	(void) yyparse ();
+
+	if (had_errors)
+		return 1;
+
+	write_msg_file();
+
+	return 0;
+}
+
+
+void
+usage (char *prog)
+{
+	(void) fprintf (stderr, "%s [-o name] file\n", prog);
+	exit (1);
+}